"Surrounded on both sides by a new music complex and science center, designers Mouna Andraos and Melissa Mongiat chose to bridge the gap between the two by converting a narrow strip of land into an enormous interactive instrument. Pre-­recorded sounds from a xylophone, piano, and other instruments were programmed into color­-coded swings that when in use play various notes, however when swung in unison with careful cooperation, more complex melodies and harmonies arise."

Source: Musical Light Swings on the Streets of Montreal
Photo Credit: Olivier Blouin